Can my car key cause my car not to start?
If the chip inside your key got damaged in any way, your vehicle may not be able to read the information on the key, resulting in a failure to start. Or the system that reads the key may just be worn down and not working correctly.
Will my car not start if key battery is low?
In most cars, the security (immobilizer) chip inside the fob works without a battery, but only from a very close range. So even if the fob has a weak battery, it should still start the car. You may have to hold the smart fob closer to the “Start” button or insert it into a special slot to start the engine.
How long do you leave ignition key on while programming?
Connect a battery charger to the battery to ensure power is available while programming. Both the BCM and PCM must be working and communicating with each other. Insert ignition key and turn to the “ON” position. Do not attempt to start the engine. Leave the key in the “ON” position for approximately 11 minutes.
Do you need to reprogram a push start key fob?
Most often, to program key fob push-starts, you need the right diagnostic tools because of the immobilizer, which only the authorized dealers have access to. If you just want to reprogram the unlock and lock feature, the method is the same as a standard key though; you just need to learn how to switch on the ignition properly.
What to do if your car ignition is not working?
If your trying to diagnose this issue but having some difficulties and would like some help, click here to chat with a GM Expert. Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON, the vehicle will not start.
How do you turn on ignition with engine off?
Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON, the vehicle will not start. Observe the SECURITY light. After approximately 10 minutes, the security light will turn OFF.